CN107603468A - A kind of masking liquid for improving diaphragm water droplet angle and surface flatness and preparation method thereof - Google Patents

A kind of masking liquid for improving diaphragm water droplet angle and surface flatness and preparation method thereof Download PDF

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Publication number
CN107603468A
CN107603468A CN201710596359.3A CN201710596359A CN107603468A CN 107603468 A CN107603468 A CN 107603468A CN 201710596359 A CN201710596359 A CN 201710596359A CN 107603468 A CN107603468 A CN 107603468A
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Prior art keywords
masking liquid
dimethicone
water droplet
surface flatness
viscosity
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CN201710596359.3A
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CN107603468B (en
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蓝志锋
施明
张建伟
潘达宏
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Guangzhou Ehang Elctronic Co Ltd
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Guangzhou Ehang Elctronic Co Ltd
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Abstract

The invention discloses a kind of masking liquid for improving diaphragm water droplet angle and surface flatness, the masking liquid includes following components by weight:The dimethicone A, the dimethicone B that 15 17 parts of degree of polymerization are 120 150 that 90 100 parts of degree of polymerization are 80 100;0.005 0.01 parts of alcohol dye solutions;The viscosity of the masking liquid is less than 200cst.The masking liquid is applied to optical displays surface, and refractive power is uniform, display is clear, does not influence display use;The masking liquid is applied to protection membrane interface, and the water droplet contact angle at interface is significantly raised, and its hydrophobicity greatly improved, and application surface is had higher soil resistance, while effectively reduces skin-friction coefficient, improves its surface flatness, Consumer's Experience performance is good;The masking liquid, there is the advantages of stability is not high, volatile, easy to use simple to operate.Present invention also offers the preparation method of the masking liquid.

Description

A kind of masking liquid for improving diaphragm water droplet angle and surface flatness and preparation method thereof
Technical field
The present invention relates to a kind of nonpolluting coating technical field, more particularly to one kind improves diaphragm water droplet angle and surface is smooth Masking liquid of degree and preparation method thereof.
Background technology
For glass, the transparent optical material such as plastics being compound on display screen, its stain resistance is that its important is examined Figureofmerit.The stain resistance of this kind of material is generally smoothness by detecting surface and water droplet angle again to weigh.Cause this kind of The source of material contamination mainly includes steam, dust, greasy dirt and fingerprint etc..Such optical material is prepared into by generally use at present Hydrophobic surface, to play waterproof, antifouling effect.And prepare that hydrophobic surface technique is relative complex, cost is high, and prepare hydrophobic Its prolonged property of surface is poor.
Special coating technology is the masking liquid technology that can be used at any time, can greatly reduce the requirement to equipment, and it should Go for the first-class electronic display elements surface of mobile phone, flat board, display screen, vehicle-mounted pick-up with convenience.This kind of masking liquid removes To reach outside preferable hydrophobic ability, also need to meet certain optical property, i.e., the translucency of glass or plastics can not be produced It is raw to influence.
The content of the invention
For overcome the deficiencies in the prior art, an object of the present invention be to provide a kind of optical property it is good, using side Just the masking liquid for improving diaphragm water droplet angle and surface flatness.
The second object of the present invention is the preparation method for providing the masking liquid.
An object of the present invention adopts the following technical scheme that realization:
A kind of masking liquid for improving diaphragm water droplet angle and surface flatness, the masking liquid is including by weight with the following group Point:The dimethicone B that dimethicone A, 15-17 part degree of polymerization that 90-100 parts degree of polymerization is 80-100 is 120-150; 0.005-0.01 part alcohol dye solutions;The viscosity of the masking liquid is less than 200cst.
Further, dimethicone A range of viscosities is 100 ± 10cst;Dimethicone B range of viscosities is 200 ±10cst。
Further, dimethicone A and dimethicone B mass ratio is 6:1.
Further, the concentration of dyestuff is 30-40wt% in the alcohol dye solution.
Further, the masking liquid includes following components by weight:90-100 parts viscosity is 100cst dimethyl Silicone oil A;15-17 parts viscosity is 200cst dimethicone B;0.005-0.01 part alcohol dye solutions, wherein dyestuff is dense Spend for 30-40wt%.
Further, the masking liquid includes following components by weight:The dimethicone that 85 parts of viscosity are 100cst A;The dimethicone B that 14 parts of viscosity are 200cst;0.008 part of alcohol dye solution, the wherein concentration of dyestuff are 35wt%.
Further, the masking liquid also includes 0.02-0.05 part essence.
The second object of the present invention adopts the following technical scheme that realization:
A kind of method for the masking liquid for preparing above-mentioned improvement diaphragm water droplet angle and surface flatness, including:
1) dimethicone A is added into the reactor of belt stirrer, adds acidic catalyst by the viscous of dimethicone A Spend for 100 ± 10cst;
2) dimethicone B is added into the reactor of belt stirrer, adds acidic catalyst by the viscous of dimethicone B Spend for 200 ± 10cst;
3) solution for obtaining step 2) is added dropwise to the solution that step 1) obtains, and 800-1200r/min is at the uniform velocity stirred, and is obtained Mixed liquor;
4) the dyestuff alcoholic solution of formula ratio is divided in 2min 3 times in the mixed liquors after being added dropwise to step 3) processing;
5) mixing speed of the mixed liquor after step 4) processing is increased into 1500-1800r/min, at the uniform velocity stirs 6- 10min。
Further, the airtight storage of mixed liquor after step 5) processing.
Compared with prior art, the beneficial effects of the present invention are:
1) masking liquid provided by the invention for improving diaphragm water droplet angle and surface flatness its apply it and be used for optical displays Surface, its refractive power is uniform, display is clear, does not influence display use;
2) masking liquid is applied to protection membrane interface, and the water droplet contact angle at interface is significantly raised, and its hydrophobicity greatly improved, Make application surface that there is higher soil resistance;
3) masking liquid provided by the invention, there is the advantages of stability is not high, volatile, easy to use simple to operate.
Brief description of the drawings
Fig. 1 is not wipe material water droplet angle design sketch before masking liquid;
Fig. 2 is that embodiment 1 wipes material water droplet angle design sketch after masking liquid;
Fig. 3 is the diaphragm surface flatness curve under different dimethicones proportioning.
Embodiment
Below, with reference to accompanying drawing and embodiment, the present invention is described further, it is necessary to which explanation is, not Under the premise of afoul, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination Example.
In detailed description below, such as non-specified otherwise, used reagent can be obtained by commercially available approach.Its Middle dimethicone A formula is (C2H6OSi) n, wherein n value range are 80~100, i.e., the degree of polymerization is 80-100;Dimethyl Silicone oil B formula is (C2H6OSi) n, wherein n value range are 80~100, i.e., the degree of polymerization is 120-150.Implement in detail below In mode, the essence used can also be obtained by commercially available approach.Such as Japanese STOL daily essence, from smell (achievement DAILY FLAVORS), production code member:TJ170312378.
The present invention provides a kind of masking liquid for improving diaphragm water droplet angle and surface flatness, and the masking liquid is included by weight Following components:The dimethyl that dimethicone A, 15-17 part degree of polymerization that 90-100 parts degree of polymerization is 80-100 is 120-150 Silicone oil B;0.005-0.01 part alcohol dye solutions;The viscosity of the masking liquid is less than 200cst.
Dimethicone A and dimethicone B viscosity are adjusted by acidic catalyst in the masking liquid, dimethicone A Viscosity to 100 ± 30cst amount and for adjusting dimethicone A viscosity to 200 ± 30cst acidic catalyst;
The masking liquid is by the way that the dimethicone of two kinds of different viscosities is reconciled in one, and its range of viscosities is in use With preferable controllability, behind surface, surface has lasting, preferable hydrophobicity.
The present invention also provides the method for preparing the above-mentioned masking liquid for improving diaphragm water droplet angle and surface flatness, including:
1) dimethicone A is added into the reactor of belt stirrer, adds acidic catalyst by the viscous of dimethicone A Spend for 100 ± 10cst;
2) dimethicone B is added into the reactor of belt stirrer, adds acidic catalyst by the viscous of dimethicone B Spend for 200 ± 10cst;
3) solution for obtaining step 2) is added dropwise to the solution that step 1) obtains, and 800-1200r/min is at the uniform velocity stirred, and is obtained Mixed liquor;
4) the dyestuff alcoholic solution of formula ratio is divided in 2min 3 times in the mixed liquors after being added dropwise to step 3) processing;
5) mixing speed of the mixed liquor after step 4) processing is increased into 1500-1800r/min, at the uniform velocity stirs 6- 10min。
By adjusting the viscosity of two dimethicones respectively, remix it, obtained masking liquid has preferable stability, Being attached on the outer surface of display screen or film has preferable adhesive force.
Embodiment 1:
A kind of masking liquid for improving diaphragm water droplet angle and surface flatness, including the dimethyl that 85.5 parts of viscosity are 100cst Silicone oil A;The dimethicone B that 14.2 parts of viscosity are 200cst;0.08 part of alcohol dye solution and 0.24 part of essence, wherein alcohol The concentration of the dyestuff of dye solution is 35wt%.
The preparation method of the masking liquid of the improvement diaphragm water droplet angle and surface flatness comprises the following steps:
1) dimethicone A is added into the reactor of belt stirrer, adding acidic catalyst makes gluing for dimethicone A Spend for 95-105cst;
2) dimethicone B is added into the reactor of belt stirrer, adding acidic catalyst makes gluing for dimethicone B Spend for 195-205cst;
3) solution for obtaining step 2) is added dropwise in step 1), and 1000r/min is at the uniform velocity stirred;
4) the dyestuff alcoholic solution of formula ratio is divided in 2min 3 times in the mixed liquors after being added dropwise to step 3) processing;
5) mixing speed of the mixed liquor after step 4) processing is increased into 1500r/min, at the uniform velocity stirs 8min.
The improvement diaphragm water droplet angle and the masking liquid of surface flatness, the water droplet angle of TPU materials can be lifted from 70-80 ° To 90-102 °, it is contrasted as depicted in figs. 1 and 2.
Embodiment 2:
A kind of masking liquid for improving diaphragm water droplet angle and surface flatness, including the dimethyl that 85.5 parts of viscosity are 100cst Silicone oil A;The dimethicone B that 14.2 parts of viscosity are 200cst;0.06 part of alcohol dye solution and 0.24 part of essence, wherein alcohol The concentration of the dyestuff of dye solution is 35wt%.
The preparation method of the masking liquid comprises the following steps:
1) dimethicone A is added into the reactor of belt stirrer, adding acidic catalyst makes gluing for dimethicone A Spend for 95-105cst;
2) dimethicone B is added into the reactor of belt stirrer, adding acidic catalyst makes gluing for dimethicone B Spend for 195-205cst;
3) solution for obtaining step 2) is added dropwise in the solution of step 1), and 1000r/min is at the uniform velocity stirred, and is mixed Liquid;
4) the dyestuff alcoholic solution of formula ratio is divided in 2min 3 times in the mixed liquors after being added dropwise to step 3) processing;
5) mixing speed of the mixed liquor after step 4) processing is increased into 1500r/min, at the uniform velocity stirs 8min.
Comparative example 1:
A kind of masking liquid, including the dimethicone A that 99.7 parts of viscosity are 100cst;0.06 part of alcohol dye solution and 0.24 Part essence, the wherein concentration of the dyestuff of alcohol dye solution is 35wt%.
The preparation method of the masking liquid comprises the following steps:
1) dimethicone A is added into the reactor of belt stirrer, adding acidic catalyst makes gluing for dimethicone A Spend for 95-105cst;
2) the dyestuff alcoholic solution of formula ratio is divided 3 times in 2min and be added dropwise in the solution that step 1) obtains;
3) mixing speed of the mixed liquor after step 2) processing is increased into 1500r/min, at the uniform velocity stirs 8min.
The masking liquid that comparative example 1 obtains, its processing characteristics is good, but smoothness is insufficient, unobvious is lifted to water droplet angle, up to not To Expected Results.
Comparative example 2:
A kind of masking liquid, including the dimethicone B that 99.7 parts of viscosity are 200cst;0.06 part of alcohol dye solution and 0.24 Part essence, the wherein concentration of the dyestuff of alcohol dye solution is 35wt%.
The preparation method of the masking liquid comprises the following steps:
1) dimethicone B is added into the reactor of belt stirrer, adding acidic catalyst makes gluing for dimethicone B Spend for 195-205cst;
2) the dyestuff alcoholic solution of formula ratio is divided 3 times in 2min and be added dropwise in the solution that step 1) obtains;
3) mixing speed of the mixed liquor after step 2) processing is increased into 1500r/min, at the uniform velocity stirs 8min.
The masking liquid that comparative example 2 obtains, the smooth degree of diaphragm being obviously improved, water droplet angle can reach 90 ° -102 °, but It is due to the limitation of its viscosity, its poor optical properties, is also unfavorable for processing and applying.
Ratio optimization
Dimethicone A and dimethicone B proportioning, diaphragm surface flatness after masking liquid coating is directly affected, By taking 0.06 part of alcohol dye solution and 0.24 part of essence as an example, dimethicone A is 99.7 parts with dimethicone B total amounts, its It is middle to make dimethicone A respectively:Dimethicone B mass ratio is 8:1、7:1、6:1、5:1、4:1 and 3:1, it is made change respectively Kind diaphragm water droplet angle and the masking liquid of surface flatness, test it and apply rear diaphragm surface flatness and coefficient of friction respectively, As a result Fig. 1-3 and table 1 are seen.
It is as shown in the table wherein respectively to match the coefficient of friction of obtained masking liquid,
Influence of the dimethicone A/B mass ratioes of table 1 to coefficient of friction
Dimethicone A/B mass ratioes 3:1 4:1 5:1 6:1 7:1 8:1
Coefficient of friction 0.4-0.35 0.37-0.34 0.35-0.32 0.3-0.26 0.38-0.35 0.42-0.45
Using dimethicone B in masking liquid and dimethicone A mass ratio as abscissa, to apply rear skin-friction coefficient Inverse be ordinate, draw curve, as shown in Figure 3.From Fig. 3 curve, when dimethicone B/A mass ratioes are 1:5- 1:When 7, smoothness is more satisfactory, wherein 1:Smoothness highest near 6.
Coefficient of friction is to weigh a standard of surface flatness, and coefficient of friction is lower, illustrates that surface is more smooth.
Above-mentioned embodiment is only the preferred embodiment of the present invention, it is impossible to the scope of protection of the invention is limited with this, The change and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention Claimed scope.

Claims (9)

1. a kind of masking liquid for improving diaphragm water droplet angle and surface flatness, it is characterised in that the masking liquid is included by weight Following components:The dimethyl that dimethicone A, 15-17 part degree of polymerization that 90-100 parts degree of polymerization is 80-100 is 120-150 Silicone oil B;0.005-0.01 part alcohol dye solutions;The viscosity of the masking liquid is less than 200cst.
2. improve the masking liquid of diaphragm water droplet angle and surface flatness as claimed in claim 1, it is characterised in that dimethyl-silicon Oily A range of viscosities is 100 ± 10cst;Dimethicone B range of viscosities is 200 ± 10cst.
3. improve the masking liquid of diaphragm water droplet angle and surface flatness as claimed in claim 1, it is characterised in that dimethyl-silicon Oily A and dimethicone B mass ratio is 6:1.
4. improve the masking liquid of diaphragm water droplet angle and surface flatness as claimed in claim 1, it is characterised in that the alcohol The concentration of dyestuff is 30-40wt% in dye solution.
5. improve the masking liquid of diaphragm water droplet angle and surface flatness as claimed in claim 1, it is characterised in that the masking liquid bag Include following components by weight:90-100 parts viscosity is 100cst dimethicone A;15-17 parts viscosity is 200cst Dimethicone B;0.005-0.01 part alcohol dye solutions, the wherein concentration of dyestuff are 30-40wt%.
6. improve the masking liquid of diaphragm water droplet angle and surface flatness as claimed in claim 1, it is characterised in that the masking liquid bag Include following components by weight:The dimethicone A that 85 parts of viscosity are 100cst;The dimethyl that 14 parts of viscosity are 200cst Silicone oil B;0.008 part of alcohol dye solution, the wherein concentration of dyestuff are 35wt%.
7. improve the masking liquid of diaphragm water droplet angle and surface flatness as claimed in claim 6, it is characterised in that the masking liquid is also Including 0.02-0.05 part essence.
A kind of 8. side for preparing the masking liquid for improving diaphragm water droplet angle and surface flatness as described in claim any one of 1-7 Method, including:
1) dimethicone A is added into the reactor of belt stirrer, add acidic catalyst is by dimethicone A viscosity 100±10cst;
2) dimethicone B is added into the reactor of belt stirrer, add acidic catalyst is by dimethicone B viscosity 200±10cst;
3) solution for obtaining step 2) is added dropwise to the solution that step 1) obtains, and 800-1200r/min is at the uniform velocity stirred, and is mixed Liquid;
4) the dyestuff alcoholic solution of formula ratio is divided in 2min 3 times in the mixed liquors after being added dropwise to step 3) processing;
5) mixing speed of the mixed liquor after step 4) processing is increased into 1500-1800r/min, at the uniform velocity stirs 6-10min.
9. method as claimed in claim 8, it is characterised in that the airtight storage of mixed liquor after step 5) processing.
CN201710596359.3A 2017-07-20 2017-07-20 Coating liquid for improving water drop angle and surface smoothness of protective film and preparation method thereof Active CN107603468B (en)

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Cited By (1)

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CN114958191A (en) * 2021-07-21 2022-08-30 上海摩尔舒企业发展有限公司 Surface treating agent and application thereof

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